Inventor · disambiguated record
Kwok Ching Leung
Also filed as: LEUNG KWOK CHING
51 granted patents·3 pending applications·652 citations·filing 2006–2014
98Inventor score
Files withRESEARCH IN MOTION LTD35LEUNG KWOK CHING13BLACKBERRY LTD2DE JONG JANICE LEIGH2RES IN MOTIN LTD1
Top patents by PatentIndex Score
54 records- 0196US8331098B2Mobile device with a flip-around keyboardLEUNG KWOK CHING·Filed 2010·Granted Dec 11, 2012·38 cites·20 claims
- 0295USD585889SHandheld electronic deviceRESEARCH IN MOTION LTD·Filed 2006·Granted Feb 3, 2009·50 cites·1 claims
- 0393USD596393SHand-held electronic device holsterRESEARCH IN MOTION LTD·Filed 2008·Granted Jul 21, 2009·50 cites·1 claims
- 0492USD663297SBack housing for a handheld electronic deviceDE JONG JANICE LEIGH·Filed 2010·Granted Jul 10, 2012·53 cites·1 claims
- 0591US8958201B2Flexible mobile computing devicesLEUNG KWOK CHING·Filed 2011·Granted Feb 17, 2015·16 cites·18 claims
- 0691USD582407SHandheld electronic deviceRESEARCH IN MOTION LTD·Filed 2007·Granted Dec 9, 2008·44 cites·1 claims
- 0788USD596600SDual display hand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Jul 21, 2009·28 cites·1 claims
- 0888USD588127SHandheld electronic deviceRESEARCH IN MOTION LTD·Filed 2006·Granted Mar 10, 2009·32 cites·1 claims
- 0985USD598915SHandheld electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Aug 25, 2009·23 cites·1 claims
- 1085USD593569SDual display hand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Jun 2, 2009·24 cites·1 claims
- 1184USD586802SDual display hand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Feb 17, 2009·30 cites·1 claims
- 1283US7715191B2Handheld electronic communication device transitionable between compact and expanded configurationsRESEARCH IN MOTION LTD·Filed 2008·Granted May 11, 2010·10 cites·17 claims
- 1380USD594224SHand-held electronic device holsterRESEARCH IN MOTION LTD·Filed 2008·Granted Jun 16, 2009·24 cites·1 claims
- 1480USD594225SHand-held electronic device holsterRESEARCH IN MOTION LTD·Filed 2008·Granted Jun 16, 2009·24 cites·1 claims
- 1571USD685737SElectronic device battery doorDE JONG JANICE LEIGH·Filed 2011·Granted Jul 9, 2013·17 cites·1 claims
- 1671USD596640SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Jul 21, 2009·17 cites·1 claims
- 1769USD609235SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Feb 2, 2010·15 cites·1 claims
- 1868USD606526SCamera module for hand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Dec 22, 2009·15 cites·1 claims
- 1968USD600692SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Sep 22, 2009·15 cites·1 claims
- 2064USD722308SElectronic deviceBLACKBERRY LTD·Filed 2014·Granted Feb 10, 2015·12 cites·1 claims
- 2164USD679675SHandheld electronic deviceLEUNG KWOK CHING·Filed 2011·Granted Apr 9, 2013·13 cites·1 claims
- 2263USD606508SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2009·Granted Dec 22, 2009·9 cites·1 claims
- 2362USD620014SKeyboardRESEARCH IN MOTION LTD·Filed 2009·Granted Jul 20, 2010·11 cites·1 claims
- 2459USD660279SHandheld electronic deviceLEUNG KWOK CHING·Filed 2011·Granted May 22, 2012·10 cites·1 claims
- 2557US10061394B2Electronic device including keypad with keys having a ridged surface profileBLACKBERRY LTD·Filed 2014·Granted Aug 28, 2018·0 cites·12 claims
- 2656USD640689SHandheld electronic deviceRESEARCH IN MOTION LTD·Filed 2010·Granted Jun 28, 2011·9 cites·1 claims
- 2756USD638420SHandheld electronic deviceRESEARCH IN MOTION LTD·Filed 2010·Granted May 24, 2011·9 cites·1 claims
- 2854US9697389B2Portable smart card reader having secure wireless communications capabilityRESEARCH IN MOTION LTD·Filed 2013·Granted Jul 4, 2017·0 cites·10 claims
- 2954USD667807SElectronic deviceLEUNG KWOK CHING·Filed 2011·Granted Sep 25, 2012·8 cites·1 claims
- 3053USD603414SDual display hand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2009·Granted Nov 3, 2009·6 cites·1 claims
- 3153US2010304799A1Slide flip mechanism and configuration for a mobile deviceLEUNG KWOK CHING·Filed 2009·Application pending·0 cites
- 3251US8780051B2Electronic device including keypadLEUNG KWOK CHING·Filed 2011·Granted Jul 15, 2014·0 cites·12 claims
- 3348US8922158B2Portable electronic device chargeable via at least one speaker portLEUNG KWOK CHING·Filed 2011·Granted Dec 30, 2014·0 cites·20 claims
- 3448USD641752SHandheld electronic deviceRESEARCH IN MOTION LTD·Filed 2010·Granted Jul 19, 2011·6 cites·1 claims
- 3547USD593570SDual display hand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Jun 2, 2009·6 cites·1 claims
- 3646USD666982SElectronic deviceLEUNG KWOK CHING·Filed 2011·Granted Sep 11, 2012·5 cites·1 claims
- 3743USD609241SDual display hand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2009·Granted Feb 2, 2010·3 cites·1 claims
- 3842US8810581B2Character input methodWUN ARCHER CHI KWONG·Filed 2010·Granted Aug 19, 2014·0 cites·23 claims
- 3942US2014022178A1Flipping mechanism for mobile electronic deviceLEUNG KWOK CHING·Filed 2012·Application pending·0 cites
- 4040USD666983SElectronic deviceLEUNG KWOK CHING·Filed 2011·Granted Sep 11, 2012·3 cites·1 claims
- 4140US2012086648A1Portable electronic device including touch-sensitive displayLEUNG KWOK CHING·Filed 2010·Application pending·0 cites
- 4239USD627768SKeypadRESEARCH IN MOTION LTD·Filed 2009·Granted Nov 23, 2010·3 cites·1 claims
- 4339USD622728SKeyboard for a hand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2009·Granted Aug 31, 2010·2 cites·1 claims
- 4436USD618235SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Jun 22, 2010·2 cites·1 claims
- 4536USD612351SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Mar 23, 2010·2 cites·1 claims
- 4634USD644236SHandheld electronic deviceRESEARCH IN MOTION LTD·Filed 2010·Granted Aug 30, 2011·1 cites·1 claims
- 4734USD629004SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Dec 14, 2010·1 cites·1 claims
- 4833USD636384SKeypadRESEARCH IN MOTION LTD·Filed 2009·Granted Apr 19, 2011·1 cites·1 claims
- 4933USD627788SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Nov 23, 2010·1 cites·1 claims
- 5033USD622727SHand-held electronic deviceRESEARCH IN MOTION LTD·Filed 2008·Granted Aug 31, 2010·1 cites·1 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →